How to use numeric keys which was embedded with alphabet keys?
Available solutions vary by different keyboard layout. Please first find [NumLK] key and see if the printed color is the same as [Fn] key.
With the same color printed, this feature can be enabled by pressing [Fn]+[Numlk] combination keys.
With different color printed, simply press [Numlk] can enable it.
Note: [Numlk] key is available on top-right of the keyboard.